iTunes 8.0.1 improves stability and performance and provides a number of important bug fixes, including:
Seamlessly plays the current song when creating a new Genius playlist.
Improves syncing spoken menus to iPod nano.
Addresses an issue of deleting HD TV episodes when downloading.
Improves checking for updates from the App Store
Improves accessibility with VoiceOver.
Addresses problems syncing Genius results to iPod.
Makes Genius and the HD downloads much easier now.